%0 Journal Article
%A N. I. Vulpe
%T Construction of a minimal complete system of orthogonal invariants for a two-dimensional system of differential equations
%J Doklady Akademii Nauk
%D 1983
%P 1299-1302
%V 269
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1983_269_6_a3/
%G ru
%F DAN_1983_269_6_a3